Model XTM-G150-1 Engine Information EPA certificated Engine type: 4-stroke, single cylinder, air cooled Displacement: 150cc Max HP: 8.2hp/7500rpm Max torque: 7 lb ft/6000rpm Bore x stroke: 2.26 x 2.28 inches Max speed: 43.5mph Climbing ability: 12 degrees Ignition: C.D.I Starting system: Electric Battery: 12V 10Ah Carburetor brand: Deli (Vacuum film) Engine oil: SAE 15W-40